Finding the Fourth Proportional to 1,549,630.18, 2,138,911.95 and 1,005,734.35
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Solution
The fourth proportional to 1,549,630.18, 2,138,911.95 and 1,005,734.35 is: 1,388,187.48
Step by Step Solution
- Step 1: Write the proportion equation
1,549,630.18 : 2,138,911.95 = 1,005,734.35 : x - Step 2: Convert to fraction form
1,549,630.18/2,138,911.95 = 1,005,734.35/x - Step 3: Cross multiply
1,549,630.18x = 2,138,911.95 × 1,005,734.35 - Step 4: Simplify right side
1,549,630.18x = 2,151,177,219,740.48 - Step 5: Solve for x
x = 2,151,177,219,740.48/1,549,630.18 - Step 6: Final answer
x = 1,388,187.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.